During a national celebration, 25% of the attendees are children. If there are 8

Practice Questions

Q1
During a national celebration, 25% of the attendees are children. If there are 800 attendees, how many are adults? (2020)
  1. 600
  2. 200
  3. 400
  4. 300

Questions & Step-by-Step Solutions

During a national celebration, 25% of the attendees are children. If there are 800 attendees, how many are adults? (2020)
  • Step 1: Identify the total number of attendees, which is 800.
  • Step 2: Calculate the number of children by finding 25% of 800. This is done by multiplying 0.25 by 800.
  • Step 3: Perform the multiplication: 0.25 * 800 = 200. So, there are 200 children.
  • Step 4: To find the number of adults, subtract the number of children from the total number of attendees: 800 - 200.
  • Step 5: Perform the subtraction: 800 - 200 = 600. So, there are 600 adults.
  • Percentage Calculation – Understanding how to calculate a percentage of a total amount.
  • Subtraction – Using subtraction to find the remaining quantity after a portion has been identified.
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